Valve.



w E. TRACY.

VALVE.

APPLICATION HLED'APR. 6 I917.

cfication. I

WILLIAM F. TRACY, or PHILADELPHIA, PENNSYLVANIA, AssIeNo'n 0F oNE- ALPTOWILLIAM ,rr enoss, SR, or PHILADELPHIA;PENNSYLVANIA.' Y

Philadelphia and State of Pennsylvania,

have invented new and useful Improvements in: Valves, of which thefollowing is a 'speci- -Ilhis invention relates to valves, and has. foranj objectto -providea: valve having a plug; structure; embracing; novelfeatures of design Which-Y can" be so adjusted as to preventunauthorizedjpersons from Y manipu lating the'valvewith a' vi ew ofpermitting of its usey I -Another object oftheinvention resides in avalve primarily adapted for rus v motor vehicles, so thatf'whenthelatter are 5 left unattended, the valve may-- be regulated i so as toguard against" and'toiprevent the vehicle'g-ifrom stolen; V

ith these and other" objects inf View, as

will appear as the-description proceeds, thei invention consists in thefeatures of con struction, combination .;of elements and ar rangement ofparts,- hereinafter. fully" set forth, -illu'strated-in theaccompanyingdraw 7 horizontal cross section :of 1 the valve"eom'-* prising thepreferrediform of the" T present" 1 s5; V w

f ing, and more particularly pointed-'out' in theappendedblaim's. g V

In ithe dllalwlllg v e-"l is p 'r bpplan view and invention; I

Fig.= 2' is a' vertical longitudinal sectional view of the valve,"'theplane' of v'ihich-heing T disclosed by the line 2'2'of. Fig; 1.

z-xFi-g, 3 is a" perspective view" of one of the plug elements employedby; the valve? f i 1 1 1 Fig.1 4' 11s a similarview of the floeking fplatelattachingjbOlt and-{ Q Fig.2 5-is a detail*vie'wofthelockingplate. .Similar characters 40f reference denotecorresponding parts throughoutthe several.

viewsof-the"drawing.,m 1 7 Referring more particularly =t0 the' drawing, the numeral 1 designates.theivalvecom-" I prising thepreferred-form of-theinvention 5,0

inits entirety, said valve including a casing 52 havinga fiuidpassageWay 3-passing'therec through. Thecentral;portion of thecasing is,substantially; .circular in l cross section 1 so a as-to provide theinterior'thereof.-.,with an i annular plug seat or-frchamber 4,. the:latter" speei fication of Letters Patent. H

municating {ducts or: pipes. the present r V embodiment-10fthefinventio'n the inlet and,

merely employed when the "valve is utilized? beingillieitly employed orI trude beyond the casing tovarious hfeig mama N ws,

Application filed Aprile; 1917. ,"Ser ial No. itbjzfgrj perpendicularlyintersecting" the passage way 3.';'It will be'ob'servecl,"uponan-inspec-Y V tion of the drawing, thatthe passageway 3*ivhereit communicates withthelchamber 4: I is of slot-like configuration, and that, it graduallytapersfrom this design toa ssume I v substantially circularcontoursadjacent' to;

-' its inlet and outlet extremities. *Thelatterf' mayqhe provided withannular collars m-cenve i'enu efl'ect its relation' with .zcom foutlet'fextreinities of the passagewvayfare angularly disposed,however,-'this design is in "connection Withcertain Fniechanisms, whichmake this "arrangenolentnecessary; as V I it is apparent thatthesaidextremities he'di's'posedfin alinement if'foundiexpedien I -Alludingtothe essentiahpart ofthe 'in vention; use academia fplu'g :structure'Q,which is designed; to occupy {the chambe ta nd isprovidedwitli'internalthreads 1 r to receive t me 12, the latter 'being threadedf intothe'element andi has forlnedfjoh the 8 5 I 5 lovverend-thereofanenlarged-head;Whichis adapted to f engage With n-"gasket; 11 3,interposed loet'ween the, headfandfthe casing The fupperextremities- 0fp the elemen' ts that is the; elements "decrease in height the'el'e'ment 7 to the element 11, asvv clearly perceived by reference to;Fig. the drawing; "Formed lvvith, orfsecured 1 the} upper extremitiesofthe'eleinentsi e manipulating collars 14, whicharefarrangedif insuperposed or "overlappingrelationfan gradually "diminish iin'f'diameter from" a element'jll t'o the element7, so"that he*p% I ripheraledges of the collars eirp'ojse'd 16b in stepped relation, setter eachelement mayf bejsep arately' rotated tvithiii theichamber l.

patent that-by"assoeiatifig the nut"12 vvith lit] a the element 7, theplug structure as a whole will be secured or clamped within the chamheri, but not in a sufliciently rigid manner to interfere with the manualrotation of the elements of the plug structure. Usually the nut 12 is sofirmly connected with the element 7 that its removal from the latterelement cannot be readily effected.

Each of the plug elements have formed therein a plurality of verticallyextending slots 17, which are adapted to register at proper periods withthe passage way 3 to permit of the flow of fluid through the valve. Theslots can be brought into registration with the passage way by manuallyrevolving the elements ofthe plugstructure, but if one of the elementsshould have the slots thereof out of alinement with the balance of theslots formed in the cooperating elements, the flow of fluid through thevalve will be effectively obstructed.

To permit of one having knowledge of the valve to conveniently andexpeditiously adjust the plug elements in order to register the passageway and slots, the collars 14 have suitably indicatedthereon at spacedintervals, symbols or characters 18, which when arranged in a certainpredetermined order, the elements will be in a position to permit oftheunobstructed passage of fluid through the valve. However, if for anyreason the proper attendant of the valve desires to close the same andto prevent others from opening it, during his absence, the elements arerotated so that the slots. thereof will be out of alinement with thepassage Way 3, and when thus positioned it will be practicallyimpossible for one unacquainted with the proper combination for settingthe plug elements in a position tov open the valve.

In order to retain the slots 17 in registration with the passage way 3while the valve is being utilized, so as to prevent undue rotation ofthe same, the collars 14 are provided with notches 19' in the peripheraledges thereof, and adapted to be received within the notches, when thelatter are alined in a certain manner, is a locking plate 20. The plateis provided with stepped projections 21 which are inserted into thenotches, and witha reduced lower extremity 22 which is operable to fitwithin notches 23 formed in the upper circumferential surface 2a of thecasing 12, and disposed in alinement with the notches 19. As a result ofthis, construction it will be evident that the elements of the plugstructure cannot be rotated while the locking plate is in cooperationtherewith. Theplate may be retained in its active position by providingthe main plug element 7 with a bolt element :25, the latter beingrigidly secured by means of a nut 26 to the element 7. A slot 27isformed in the bolt 25, and in which is received the upper end of thelocking plate. A binding nut 28 is threaded upon the bolt andfrictionally retains the plate in fixed relation with the notches l9 andFrom the foregoing description of the details of the valve, it isthought that the following description in relation to its use andoperation, will be readily comprehended. The preferred use of theinvention resides in its employment as an anti-theft measure ofpreventing the surreptitious use of unattended motor vehicles. Whenutilized in this capacity the valve is attached to an explosive engine(not shown) at a position between the carburetor and intake manifoldsthereof, so as to regulate the how of the combustive mixture through thecarburetor to said manifolds. Now in the event of the vehicle operatorleaving the machine unguarded, the latter may be prevented from beingused by unauthorized persons by simply manipulating theelements of theplug structure, so. as to, obstruct the flow of fluid therethrough, thisbeing elfected by revolving one or more of the plug elements. Thus uponan illicit endeavor to operate the machine, ,it will first be necessaryto open the valve which, owing toits peculiar construction, will bepractically impossible for one not having a knowledge of the propercombination of characters. to effect such an adjustment of the plugelements. In View of the foregoing it will be evident that there isprovided a valve in Which the objects of the present invention have beenachieved, and that all of the advantageous features above mentioned are,among others, present. The valve can, be cheaply fabricated, readilyattached to the average engine of a motor vehicle, and by its simpleconstruction will not be liable to become out of order to cause anyannoyance whatever to those properly acquainted with its peculiaritiesof operation. 1t. will ofcourse be understood that slight, structuralchanges. may be made in the construction of the invention from thatillustrated, "and above described. For instance, such as varying thenumber of rotatable ele: ments of the plug structure, or by forming thecollars let separately from the elements in place of being integrallyformed therewith, and that these changes, among others, of a similarcharacter, will not depart from the general scope or intent of theinvention.

Having described the invention What is claimed as new and patentable is:

l. A valve including aeasing having an inlet and outlet passage, a plugseat intersecting said passage and including an annular flange at thebase of the casingg'a tubular member fitted within said seat and havingslots therein, said member being interiorly threaded, a nut threadedwithin said tubular member and having an enlarged head engaging theadjacent exterior surface of the casing, means for closing the oppositeend of said tubular member, and a plurality of telescopic elements'concentrically disposed about said tubular member and havingslotsadapted to register with the slots of said member when'the'valve isopen, said elements resting upon the flange, collars provided upon theopposite ends of said elements and located exteriorly of the casing topermit oftheir manual manipulation.

2. A valve comprlsmg a casinghaving an 7 inlet and outlet passage, aplug "seat interlower end of said member for closing the i secting saidvessel and including an annular flange at the base of the casing, atubular member fitted Within said seat and having slots, a nutthreadedly associated with the latter, a plurality of telescopicelements.con centrically disposed about the tubular member andrestingupon said flange, said elements having slots adapted to register withthe slots of said member, collars provided upon said elements andlocatedexteriorly of the casing to permit of their manual manipulation,indicia on said collars to indicate the positions of the slots OfSELldele- 1 ments, a closure forthe opposite end of said member, and meanscarriedby the closure and cooperating with said collars to preventrelative rotatlon of sald members from a given position.

3. A valve comprising in combination, a caslng havlng an inlet andoutlet passage,

' a plug seat intersecting said passage, a

plurality of concentrically disposed tele= scopic elements litted withinsaid seat and 7 having slots adapted to be brought into registrationwhen the valve is opened, collars provided upon said elements 'andlocated" eXteriorly of the casing to permit'of their manualmanipulation, said collars being disposed in stepped relation andprovided with notches, a plug closing the innermost of said elements,and a locking membercarried by relatlvely '50 rality of concentricallydisposedelements 4 fitted in said'seatand having slots formed;

therein to register with saidpassage, collars 1 formed on said elementsand located eX-.

teriorly of the casing to permit of their manual manipulation, amember'closing the upper ends of the innermost element, said,

collars being disposed in stepped relation and having notches, aboltprojecting from said member and-having a threadedportionlongitudinally slotted, a curved arm passed through said slot ofthe bolt and designed to engage in certain ofthe alined notches;

of said collars to hold said members fixed relatively in a givenposition, and a nut as sociated with said bolteto hold said arm inoperative position.

Intestimony whereof I aifix my signature.

WILLIAM F. major Washington, D. G.

Copies of this patent may be obtained for five cents each, byaddressingthe Commissioner of Pat ents, V V f

